52 ADVIA 2400 Operator’s Guide
Real-time QC window
Use this window to review the performance for two controls simultaneously using a
Levey-Jennings chart (x-chart) or a twin chart.
NOTE: This window is intended to be used when two controls are run for each test.
However, you can still use this window if you are running only one control.
Daily Precision Control window
Use this window to view daily control results.
CAUTION
You must not modify the order of the tests on the System Test List window after
initial setup. To avoid incorrect positioning of results on the print report, tests on the
Daily QC window must be in the same order as they appear in the System Test List
and Process Sequence windows. If you reposition any tests on the System Test List
window, results for samples already run could be associated with the wrong test
name.
NOTE: The maximum number of results displayed in the Daily Precision Control window
is 200. When this number is reached, the system deletes the results starting from the first
entry and adds new results after the latest entry. The system does not display a message
that the maximum number of results was reached.
Perform any of the following tasks at this window:
• view the Levey-Jennings charts (x-charts)
• view the detailed control data information and omit invalid control results
• view the QC summary list
• view the daily QC list
• use daily statistics to establish the Daily QC mean and 1 SD (standard deviation)
values
• print the daily x-charts
• delete the daily QC data
• update the QC Cumulative window
The daily mean and fluctuation range (R) for every test in each selected control are saved
in the QC cumulative window as a data point for the current day.
IMPORTANT
To avoid losing QC statistics, please observe the following:
Update the QC Cumulative window before more than 20 daily control samples are run.
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